| If your outside signal is: | Your boosted signal may be: |
|---|---|
| -89dB and lower (about 5 bars) | up to 5,000 sq. ft. |
| -90dB (about 3 to 4 bars) | up to 3,500 sq. ft. |
| -100dB (about 1 to 2 bars) | up to 1,000 sq. ft. |
| no existing (0 bars) | A signal booster likely will not work |